WB LS-DYNA angle-dependent pressure
I'm new to WB LS-DYNA and currently struggling to define a pressure with keyword commands.
The model is a hollow sphere made of shell elements. The pressure should be acting on one half of the sphere, but not perpendicular to each node. If the pressure is coming from the z-direction, it's maximum is where it hits the sphere perpendicular at the 0,0,+z coordinate. Depending on the angle starting at the maximum pressure point, the pressure is supposed to decline as a function of the cosinus of the given angle to the maximum pressure point. I hope you get what I'm trying to explain.
My question now is: How can I generate a function, which takes the angle, with which the pressure hits the sphere, into consideration? Is there a possibility to define a cylindrical coordinate system?
Thanks for your help!
I didn't want to leave this untouched, but this is a great question and one that I don't know how to answer. I'll see if I can find anything on it to help you out though but I can't promise anything. Maybe someone else can help if they have any experience.
Check this link out and the compressed archive suggested at the bottom of the link. Often times, I end up having to fix the input deck for the DOF column using VIM's column editing feature.